Question 12 When a binary search tree is balanced, it provides O 0(1) O O(logN) O O(N) search, addition, and removal.
Question 12 When a binary search tree is balanced, it provides O 0(1) O O(logN) O O(N) search, addition, and removal.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:### Question 12
**When a binary search tree is balanced, it provides _________ search, addition, and removal.**
1. O(1)
2. O(logN)
3. O(N)
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**Explanation:**
The question is assessing knowledge related to the time complexity of search, insertion, and deletion operations in a balanced binary search tree (BST).
- **Option O(1):** This implies constant time complexity, meaning the operation time does not increase as the size of the tree increases. This is not true for BST operations.
- **Option O(logN):** This implies logarithmic time complexity, which is true for balanced binary search trees. In a balanced BST, the height of the tree is kept to O(logN), ensuring efficient search, addition, and removal operations.
- **Option O(N):** This implies linear time complexity, meaning the operation time increases linearly with the size of the tree. This is true for an unbalanced binary search tree but not for a balanced one.
Hence, the correct answer is:
**O(logN)**
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